Lighthouse Hydro Hydroponic Filter Magnum Pro Activated Carbon Air Filter, 10 by 42-Inch Flange Diameter: 10" - Height: 42" - Carbon Height: 40" - Width: 14" - Carbon Thickness: 2" Maximum Airflow: 1400 CFM - Carbon Volume: 3014 Cubic Inches - Carbon Rating: RC-48 - Iodine Absorption: 1050mg/g Premium quality activated carbon - Cotton pre-filter included Removes 99.5% of airborne odors - Carbon removes particles equal to 108% of carbon weight 12 Month Average life expectancy & Maintenance free design